# Data Modeler vs Schema Studio

The clearest difference is price: Data Modeler at Free against Schema Studio's $0.99. Schema Studio's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Data Modeler is free to download; Schema Studio costs $0.99 up front. Data Modeler sells 3 in-app purchases, starting at $8.49 per month. Schema Studio asks for nothing beyond the download.

## The numbers

| Metric | Data Modeler | Schema Studio |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/data-modeler/id1575153701/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Freemium | — |
| Size | 23 MB | 5 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rahul Katariya](https://appshunter.io/developer/1680332229) | [SMART BIT K.K](https://appshunter.io/developer/1896559487) |

## What reviewers say

### Data Modeler

[App page](https://appshunter.io/ios/app/data-modeler/id1575153701)

Effortlessly create, visualize, and export complex data models for your projects. Design entities, relationships, and attributes with an intuitive editor. Add data to test your models and export them as JSON documents or diagrams.

**Highlights:** Intuitive data model editor, Create entities, attributes, and relationships, Define cardinalities and relationship types, Add and store data within models, Visualize models as ER diagrams, Export data as JSON documents

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $8.49 | per month |
| Annual | $59.99 | per year |
| Introductory Lifetime Offer | $89.99 | one-time |


### Schema Studio

[App page](https://appshunter.io/ios/app/schema-studio-db-and-ddl/id6802662567)

**In-app purchases:** none


## Frequently asked questions

### Is Data Modeler free?

Data Modeler is free to download, with in-app purchases available.

### Is Schema Studio free?

Schema Studio costs $0.99, with no in-app purchases.

### Do Data Modeler or Schema Studio have ads?

Neither Data Modeler nor Schema Studio shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*